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Emissions System

Is your BMW throwing emissions related codes? While we're primarily a BMW performance parts house, we understand the importance of maintaining your emissions system to pass inspection in your area and keep your check engine light off. Pick up your emissions related parts from Turner Motorsport.

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Radium Engineering Catch can kit - E9X 335i E8X 135i
Radium Engineering Catch can kit - E9X 335i E8X 135i
Radium Engineering - Corporate Logo
T#:577808
Part#: 20-0373
In Stock at Vendor
$ 259.99 USD
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$ 259.99 USD
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Oil catch cans prevent elevated oil blow by caused by aggressive driving. The Radium Engineering catch can uses a closed loop system and is emissions and track legal, and by not venting to atmosphere avoids any oil smells from getting into the cabin. Kit includes Billet catch can Mounting bracket 10AN hose fittings and adapters 5/8" PCV hose Mounting hardware
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Radium Engineering Universal Catch Can Petcock Drain Kit
Radium Engineering Universal Catch Can Petcock Drain Kit
Radium Engineering - Corporate Logo
T#:27905095
Part#: 20-0024
In Stock at Vendor
$ 28.99 USD
Free Shipping on orders $49 and up
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$ 28.99 USD
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Includes:

Anodized 4AN ORB Barbed Adapter Fitting, Black Ball Valve with 1/4" Barbs, 125psi @ 140F 4 feet of Radium 1/4" PCV Hose

Engine Crankcase Breather Element
Engine Crankcase Breather Element
5X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Hengst - Corporate Logo
T#:35795496
Part#: 11617533400
In Stock
$ 40.99 USD
Free Shipping on orders $49 and up
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$ 40.99 USD
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Commonly referred to as the "oil separator" or PCV URO Parts is one of the leading manufacturers of high quality direct replacement aftermarket components, covering a wide range of makes and models. All of their replacement parts are manufactured to ISO 9000 certification standards, so you can expect long lasting performance from URO Parts.
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Oil Separator Valve
Oil Separator Valve
5X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Hengst - Corporate Logo
T#:22064588
Part#: AS819M
In Stock
$ 41.99

This product was last offered at the strikethrough price on
05-03-2026

$ 31.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
Add to Wish List
$ 41.99

This product was last offered at the strikethrough price on
05-03-2026

$ 31.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
Add to Wish List
BMW has an ongoing issue with oil separators freezing in cold weather if driving is done before the vehicle is fully warmed up. There is often a howling noise followed by numerous oil leaks. The crankcase breather valve is used to purge the oil vapor from the engine block into the valve cover. However, sometimes condensation can cause it to freeze, causing the entire oil separator system to fail, crack, and disintegrate.
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Oil Separator Valve
Oil Separator Valve
5X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Hengst - Corporate Logo
T#:22064593
Part#: AS826M-D851
Ships on Sep 9, 2026
$ 62.99 USD
Free Shipping on orders $49 and up
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$ 62.99 USD
Free Shipping on orders $49 and up
Add to Wish List
BMW has an ongoing issue with oil separators freezing in cold weather if driving is done before the vehicle is fully warmed up. There is often a howling noise followed by numerous oil leaks. The crankcase breather valve is used to purge the oil vapor from the engine block into the valve cover. However, sometimes condensation can cause it to freeze, causing the entire oil separator system to fail, crack, and disintegrate.
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